SC1406 Просмотр технического описания (PDF) - Semtech Corporation
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SC1406 Datasheet PDF : 11 Pages
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PORTABLE PENTIUM® II & III
POWER SUPPLY CONTROLLER
SC1406
PRELIMINARY - August 27, 1999
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
MAXIMUM
UNITS
VCC Supply Voltage
Low Battery Input
VmaxVCC
LBIN
7
V
7
V
Input & Output Pins
VCC + 0.3
V
GND - 0.3
Enable
EN
7
V
Operating Junction Temperature
Lead Temperature (Soldering) 10 seconds
Storage Temperature
TJ
0 to +125
°C
TL
300
°C
TSTG
-65 to 150
°C
ELECTRICAL CHARACTERISTICS
Unless specified: 0 < TA < 100°C; VCC = 3.3V (See Note 1)
PARAMETER
SYMBOL
CONDITIONS
SUPPLY, BIAS, UVLO, VDC MONITOR AND POWERGOOD
Supply (VCC, GND)
VCC Supply Voltage
Range
VCC Quiescent Current
VCCMAX
ICCQ
VCC Operating Current
ICC
Under Voltage Lock Out Circuit
EN is low, 3.0V < VCC < 3.6V
EN is high and in UVLO
EN is high
Threshold
Hysteresis
VHCC
VLCC
VHYSTCC
Enable Input
Input High
Vih
3.0 < VCC < 5V
Input Low
Vil
MIN TYP MAX UNITS
3.0
3.3
6.0
V
10
µA
350
10.0 15
mA
2.95
V
2.7
20
mV
0.7*VCC
V
0.8
V
Low Battery Monitor
Threshold
VTHDC
1.175 1.225 1.275
V
Input Bias Current
IBDC
VCORE Power Good Generator
VLB_IN > VTHDC
VLB_IN < VTHDC
±0.3
µA
0.6
1.0 10.5
Input Threshold
VHCORE
VDAC = 0.9V - 1.675V
1.08*VCC
1.12*VCC V
VLCORE
0.88*VCC
0.92*VCC V
Output Voltage
VHPW RGD
(Active Hi)
VLPW RGD
(Active low)
VPW RGD
IPWRGD = 10µa (source) EN is high
IPWRGD = 10µA (sink), EN is high
IPWRGD = 10µA (sink), UVLO
0.95*
VCC
V
0.4
V
0.8
V
VOUT
During the latency time (50µs) of
any VID code change
Don’t
care
Note 1: Specification refers to application circuit (Figure 1.).
Pentium is a registered trademark of Intel Corporation
3
© 1999 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
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